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Gravity waves analysis opens 'completely new sense'
spaceref.com ^
| 29 Oct 02
| Washington Univ
Posted on 10/29/2002 10:42:41 AM PST by RightWhale
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To: Physicist
If you apply the Hiesenberg Uncertainty Principle to the MM experiment you get a surprise. Look at each fringe pattern as the interaction of two discrete photons. Assume the observation length is one wavelength so the observation time delta t is 1/f. f = frequency of light. We know E = hf ----> delta E = h delta f.
Now delta t times delta E = 1/f x h x delta f.
The principle states:
delta t x delta E ~ h, by substitution:
(delta f)/f ~1; This says the uncertainty of frequency is the frequency itself if one observes single fringe shifts. Since multiple fringe shifts are the products of many different photons (each having their own uncertainty) doesn't Hiesenberg UP say the null result, or any result for that matter is invalid?
To get a proper result the interference pattern of two photons must be observed over very many fringes. Am I off base here? How do I properly apply the HUP to MM?
To: PatrickHenry
So we can neglect the rotational velocity at the surface of the earth due to its rotation?
To: Physicist
Punctured Trojan bump. ROFL!
Did you get my freep mail on that link I sent?
To: Physicist
The contraction is due to the perspective from different inertial frames. A person looking at a yardstick from the side will see it as a long object, while a person looking at it from the end will see it as a short object. The Lorentz transformation is analogous to this effect of rotation, except that it describes a transformation between space and time, rather than the rotation of one space axis into another.Very nicely said. May I borrow this? :-))
To: Physicist
Physicist:
If the E field lines of a moving charge do bend opposite the motion to form "streamlines" then I have to concede that an additional E field does not appear when the electron moves. What happens is the existing coulombic E lines rearrange themselves to oppose an applied field (by moving the charge) and for motion not due to an external field the lines rearrange to give an net E vector opposite the motion. The charge still meets Gauss's law and other observations. To me this is the simplest and most intuitive explanation and the more I think about it the better it sounds.
You may still believe the field lines are rigidly attached to the charge and extend as straight lines outward as the charge moves, but I don't think it's so.
Anyway, you are right that no new E appears. To me its simply a natural shift of the radial field to some other geometry in response to motion. Anyway, thanks for the head banging, I owe you a beer.
To: Barry Goldwater
They surf?
126
posted on
11/02/2002 1:13:46 PM PST
by
gitmo
To: Barry Goldwater
So we can neglect the rotational velocity at the surface of the earth due to its rotation? I don't believe it's involved in the presumed motion of the interferometer through the aether, which is what the MM experiment was designed to detect. Only our motion around the sun would be relevant.
To: ThinkPlease
Oh, how I love relativity bump. The three things I wish I had more time to learn or relearn, relativity, cosmology, and an OO programming language other than C++.
To: All
God Bless America placemarker
To: Barry Goldwater
I'm afraid your posts are getting less comprehensible, aside from some obviously incorrect statements such as,
What happens is the existing coulombic E lines rearrange themselves to oppose an applied field (by moving the charge) and for motion not due to an external field the lines rearrange to give an net E vector opposite the motion.
In any case, I don't see where you're trying to go with any of this, or how it ties in to gravitational waves.
Instead of trying to puzzle out basic E&M from the top of your head, I suggest you start with a good undergraduate textbook such as Electricity and Magnetism by Edward Purcell or Electromagnetism: Principles and Applications by Lorrain and Corson, and study it. There's far more in either of those books than I could ever type in for you on FR.
To: All
Dead thread? Oh well ...
Vote! Bash the dems!
God Bless America!
Note: this topic is from 2002!!!
132
posted on
06/27/2007 12:41:49 AM PDT
by
SunkenCiv
(Time heals all wounds, particularly when they're not yours. Profile updated June 27, 2007.)
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